| 摘要 |
A treatment process for the permanent reshaping of keratinous material, of the type comprising a reduction phase and an oxidation phase, the reduction phase being performed by application onto the keratinous material to be treated of a reducing composition containing at least one thiol, the keratinous material being impregnated with at least one manganese salt prior to/or during the reduction step, the process being characterized in that the keratinous material is treated, during or after the reduction phase and before the oxidation phase, in the presence of at least one agent which neutralizes the activity of the manganese salt in oxidation dyeing processes.
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